/**
 * Copyright (C) 2011 Whisper Systems
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.appspot.eusms;

import android.content.Intent;
import android.os.Bundle;
import android.util.Log;

import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;
import com.appspot.eusms.util.DirectoryHelper;
import com.appspot.eusms.util.DynamicLanguage;
import com.appspot.eusms.util.DynamicTheme;
import com.appspot.eusms.util.TextSecurePreferences;

import com.appspot.eusms.R;

import java.util.ArrayList;
import java.util.List;

import static com.appspot.eusms.contacts.ContactAccessor.ContactData;

/**
 * Activity container for selecting a list of contacts.
 *
 * @author Moxie Marlinspike
 */
public class PushContactSelectionActivity extends PassphraseRequiredSherlockFragmentActivity {
    private final static String TAG = "ContactSelectActivity";
    public final static String PUSH_ONLY_EXTRA = "push_only";

    private final DynamicTheme dynamicTheme = new DynamicTheme();
    private final DynamicLanguage dynamicLanguage = new DynamicLanguage();

    private PushContactSelectionListFragment contactsFragment;

    @Override
    protected void onCreate(Bundle icicle) {
        dynamicTheme.onCreate(this);
        dynamicLanguage.onCreate(this);
        super.onCreate(icicle);

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        setContentView(R.layout.push_contact_selection_activity);
        initializeResources();
    }

    @Override
    public void onResume() {
        super.onResume();
        dynamicTheme.onResume(this);
        dynamicLanguage.onResume(this);
        getSupportActionBar().setTitle(R.string.AndroidManifest__select_contacts);
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        MenuInflater inflater = this.getSupportMenuInflater();
        menu.clear();

        if (TextSecurePreferences.isPushRegistered(this))
            inflater.inflate(R.menu.push_directory, menu);

        inflater.inflate(R.menu.contact_selection, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        super.onOptionsItemSelected(item);
        switch (item.getItemId()) {
            case R.id.menu_refresh_directory:
                handleDirectoryRefresh();
                return true;
            case R.id.menu_selection_finished:
                handleSelectionFinished();
                return true;
            case android.R.id.home:
                finish();
                return true;
        }
        return false;
    }

    private void initializeResources() {
        contactsFragment = (PushContactSelectionListFragment) getSupportFragmentManager().findFragmentById(R.id.contact_selection_list_fragment);
        contactsFragment.setMultiSelect(true);
        contactsFragment.setOnContactSelectedListener(new PushContactSelectionListFragment.OnContactSelectedListener() {
            @Override
            public void onContactSelected(ContactData contactData) {
                Log.i(TAG, "Choosing contact from list.");
            }
        });
    }

    private void handleSelectionFinished() {

        final Intent resultIntent = getIntent();
        final List<ContactData> selectedContacts = contactsFragment.getSelectedContacts();
        if (selectedContacts != null) {
            resultIntent.putParcelableArrayListExtra("contacts", new ArrayList<ContactData>(contactsFragment.getSelectedContacts()));
        }
        setResult(RESULT_OK, resultIntent);
        finish();
    }

    private void handleDirectoryRefresh() {
        DirectoryHelper.refreshDirectoryWithProgressDialog(this, new DirectoryHelper.DirectoryUpdateFinishedListener() {
            @Override
            public void onUpdateFinished() {
                contactsFragment.update();
            }
        });
    }
}
